:root {
  --bg: #0e1116;
  --bg-elev: #161b22;
  --bg-elev-2: #1f2630;
  --border: #2a323d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --text-faint: #6e7681;
  --accent: #58a6ff;

  /* Color codes per member (light tones, readable on dark bg) */
  --niko: #ffe066;        /* jaune clair */
  --niko-bg: rgba(255, 224, 102, 0.15);
  --niko-border: rgba(255, 224, 102, 0.4);

  --luc: #95e591;         /* vert clair */
  --luc-bg: rgba(149, 229, 145, 0.15);
  --luc-border: rgba(149, 229, 145, 0.4);

  --alex: #ff8a8a;        /* rouge clair */
  --alex-bg: rgba(255, 138, 138, 0.15);
  --alex-border: rgba(255, 138, 138, 0.4);

  --all: #6cb6ff;         /* bleu (3 ensemble) */
  --all-bg: rgba(108, 182, 255, 0.18);
  --all-border: rgba(108, 182, 255, 0.5);

  --radius: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============ LOGIN ============ */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 30%, rgba(108, 182, 255, 0.1), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(149, 229, 145, 0.08), transparent 50%),
    var(--bg);
}

.login-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.login-logo {
  font-size: 48px;
  margin-bottom: 12px;
}

.login-card h1 {
  font-size: 24px;
  margin-bottom: 6px;
}

.login-subtitle {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 28px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-form button {
  background: var(--accent);
  color: #0e1116;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  margin-top: 4px;
  font-family: inherit;
}

.login-form button:hover { filter: brightness(1.1); }

.login-hint {
  color: var(--text-faint);
  font-size: 12px;
  margin-top: 20px;
}

.login-error {
  background: var(--alex-bg);
  border: 1px solid var(--alex-border);
  color: var(--alex);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13px;
  margin-top: 4px;
  text-align: left;
}

/* Alex banner */
.alex-banner {
  background: var(--alex-bg);
  border: 1px solid var(--alex-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
}

.alex-banner strong {
  color: var(--alex);
}

/* ============ APP ============ */
.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-icon {
  font-size: 32px;
}

.app-header h1 {
  font-size: 20px;
}

.header-sub {
  color: var(--text-dim);
  font-size: 13px;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}

.btn-ghost:hover { background: var(--bg-elev); }

/* ============ TEAM STATUS ============ */
.team-status {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.member-chip {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.member-chip .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.member-chip strong {
  display: block;
  font-size: 14px;
}

.member-chip small {
  color: var(--text-dim);
  font-size: 12px;
}

.member-niko { border-color: var(--niko-border); background: var(--niko-bg); }
.member-niko .dot { background: var(--niko); }
.member-luc { border-color: var(--luc-border); background: var(--luc-bg); }
.member-luc .dot { background: var(--luc); }
.member-alex { border-color: var(--alex-border); background: var(--alex-bg); }
.member-alex .dot { background: var(--alex); }
.member-all { border-color: var(--all-border); background: var(--all-bg); }
.member-all .dot { background: var(--all); }

.member-pending {
  opacity: 0.55;
  border-style: dashed;
}

/* ============ SECTIONS ============ */
.section {
  margin-bottom: 40px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.section-head h2 {
  font-size: 16px;
  font-weight: 600;
}

.badge {
  display: inline-block;
  background: var(--bg-elev-2);
  color: var(--text-dim);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
  margin-left: 6px;
  font-weight: 500;
}

.section-sub {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 16px;
}

.section-sub em {
  color: var(--text-faint);
  font-style: italic;
}

.week-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
}

/* ============ OVERLAP GRID ============ */
.overlap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.overlap-card {
  background: var(--all-bg);
  border: 1px solid var(--all-border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.overlap-card .ov-date {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.overlap-card .ov-day {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.overlap-card .ov-times {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.overlap-card .ov-time {
  background: rgba(108, 182, 255, 0.25);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--all);
}

.overlap-card .ov-total {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============ CALENDAR ============ */
.calendar {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.cal-grid {
  display: grid;
  grid-template-columns: 50px repeat(7, 1fr);
}

.cal-header,
.cal-cell {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 8px;
  font-size: 12px;
}

.cal-header {
  background: var(--bg-elev-2);
  text-align: center;
  font-weight: 600;
  color: var(--text-dim);
  position: sticky;
  top: 0;
}

.cal-header strong {
  display: block;
  color: var(--text);
  font-size: 14px;
  margin-top: 2px;
}

.cal-time-label {
  background: var(--bg-elev-2);
  text-align: right;
  color: var(--text-faint);
  padding-right: 8px;
}

.cal-cell {
  position: relative;
  min-height: 32px;
}

.cal-cell:last-child { border-right: none; }

.cal-event {
  position: absolute;
  left: 4px;
  right: 4px;
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid;
  z-index: 1;
}

.cal-event-niko {
  background: var(--niko-bg);
  border-color: var(--niko-border);
  color: var(--niko);
}

.cal-event-luc {
  background: var(--luc-bg);
  border-color: var(--luc-border);
  color: var(--luc);
}

.cal-event-alex {
  background: var(--alex-bg);
  border-color: var(--alex-border);
  color: var(--alex);
}

.cal-event-all {
  background: var(--all-bg);
  border-color: var(--all-border);
  color: var(--all);
  z-index: 2;
  box-shadow: 0 0 0 1px var(--all-border);
}

.cal-event small {
  display: block;
  opacity: 0.7;
  font-size: 10px;
  margin-top: 1px;
}

/* ============ FOOTER ============ */
.app-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-faint);
  font-size: 12px;
}

/* ============ MOBILE ============ */
@media (max-width: 700px) {
  .app { padding: 16px; }
  .app-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .header-sub { font-size: 12px; }
  .cal-grid { grid-template-columns: 40px repeat(7, minmax(80px, 1fr)); overflow-x: auto; }
  .calendar { overflow-x: auto; }
}